Gaya APA

Eruption of the Nevado del Ruiz Volcano, Colombia, on 13 November 1985 : Gas Flux and Fluid Geochemistry. (). USA: American Association for the Advancement of Science.

Gaya MLA

Eruption of the Nevado del Ruiz Volcano, Colombia, on 13 November 1985 : Gas Flux and Fluid Geochemistry. . USA: American Association for the Advancement of Science, . .